| | Identification | Back Directory |  | [Name] 
 COMPOUND 52
 |  | [CAS] 
 212779-48-1
 |  | [Synonyms] 
 NG-52
 COMPOUND 52
 NG-52, >98%
 NG 52 (Compound 52 )
 NG52; COMPOUND52;NG-52;COMPOUND-52
 2-(2-HYDROXYETHYLAMINO)-6-(3-CHLORANILINO)-9-ISOPROPYLPURINE
 2-(2-HYDROXYETHYLAMINO)-6-(3-CHLOROANILINO)-9-ISOPROPYLPURINE
 2-[[6-(3-chloroanilino)-9-propan-2-ylpurin-2-yl]amino]ethanol
 2-(2-Hydroxyethylamino)-6-(3-chloroanilino)-9-isopropylpurine,  NG-52
 2-((6-((3-chlorophenyl)aMino)-9-isopropyl-9H-purin-2-yl)aMino)ethanol
 2-[[6-[(3-Chlorophenyl)amino]-9-(1-methylethyl)-9H-purin-2-yl]amino]ethanol
 Ethanol, 2-[[6-[(3-chlorophenyl)amino]-9-(1-methylethyl)-9H-purin-2-yl]amino]-
 |  | [Molecular Formula] 
 C16H19ClN6O
 |  | [MDL Number] 
 MFCD02179196
 |  | [MOL File] 
 212779-48-1.mol
 |  | [Molecular Weight] 
 346.81
 | 
 | Chemical Properties | Back Directory |  | [Boiling point ] 
 587.7±60.0 °C(Predicted)
 |  | [density ] 
 1.42±0.1 g/cm3(Predicted)
 |  | [storage temp. ] 
 Keep in dark place,Sealed in dry,2-8°C
 |  | [solubility ] 
 methylene chloride: 50 mg/mL, clear, colorless
 
 |  | [form ] 
 powder
 
 |  | [pka] 
 14.54±0.10(Predicted)
 |  | [color ] 
 white to off-white
 
 | 
 | Hazard Information | Back Directory |  | [Description] 
 NG 52 is a tri-substituted purine that binds to the ATP-binding site of yeast cyclin-dependent kinases, inhibiting Cdc28p and Pho85p (IC50s = 7 and 2 μM, respectively). It is ineffective against the yeast kinases Kin28p, Srb10, and Cak1p. NG 52 is cell permeable and inhibits the growth of S. cerevisiae (GI50 = 30 μM). It is an analog of purvalanol A , a potent inhibitor of mammalian cyclin-dependent kinases.
 |  | [Uses] 
 NG 52 is a potent, cell-permeable, selective, ATP-compatible and orally active Cdc28p and Pho85p kinase inhibitor with IC50s of 7 μM and 2 μM, respectively. NG 52 also inhibits the activity of phosphoglycerate kinase 1 (PGK1) with an IC50 of 2.5 μM. NG 52 is inactive against yeast kinases Kin28p, Srb10, and Cak1p[1][2].
 |  | [in vivo] 
 
 NG 52 (50-150 mg/kg; oral administration; daily; for 13 days) treatment dose-dependently suppresses the growth of glioma xenograft[2]. | Animal Model: | Female nu/nu mice (5-week-old) injected with glioma cells[2] |  | Dosage: | 50 mg/kg, 100 mg/kg, 150 mg/kg |  | Administration: | Oral administration; daily; for 13 days |  | Result: | Dose-dependently suppressed the growth of glioma xenograft. | 
 |  | [IC 50] 
 cdc2-cyclin B: 0.34 μM (IC50); Pho85p: 2 nM (IC50); Cdc28p: 7 μM (IC50); Phosphoglycerate kinase 1 (PGK1): 2.5 μM (IC50)
 |  | [References] 
 [1] ray NS, Wodicka L, Thunnissen AM et al. Exploiting chemical libraries, structure, and genomics in the search for kinase inhibitors. Science. 1998 Jul 24;281(5376):533-8. DOI:10.1126/science.281.5376.533
 [2] Wen-Liang Wang, et al. Pharmacologically inhibiting phosphoglycerate kinase 1 for glioma with NG52. Acta Pharmacol Sin. 2020 Jul 31. DOI:10.1038/s41401-020-0465-8
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